52 
NOTICES TO MEMBERS. 
date and any other notes likely to be of use. Whenever possible speci- 
mens should be submitted in duplicate, so that the^ specialist may re- 
tain one specimen if be so desires. If only one specimen of a gathering 
is submitted it should be clearly stated whether its return is desired. 
Any member who is studying a critical group and would like his 
name added to the Panel should forward particulars to the General 
Secretary for consideration of the Council. 
MISCELLANEOUS SUBJECTS 
Nomenclature: J. E. Dandy and A. J. Wilmott 
Local Floras : N. Douglas Simpson 
Vice-County Boundaries : J. E. Dandy 
Maps : E. Milne-Redhead 
Systematic Works and Monographs: N. Y. Sandwith 
Foreign Floras and Foreign Field Work: A. H. G. Alston 
Botanical Apparatus and Material : E. Milne-Redhead 
Preparation of Botanical Specimens : E. Milne-Redhead 
Location of Private Herbaria: A. J. Wilmott 
Plant Conservation and Nature Reserves: A. J. Wilmott 
History of British Botany, before Linnaeus : Rev. Prof. C. E. Raven 
History of British Botany, Linnaeus and after : J. S. L. Gilmour. 
Ecology: Prof. A. R. Clapham 
Genetics in Relation to Systematics : Dr. D. H. Valentine 
Cytology in Relation to Systematics : Dr. E. F. Warburg 
Economic Uses of British Plants : Dr. R. Melville 
Phenology and Meteorology : E. Nelmes 
Folk Lore and Popular Names: Miss M. S. Campbell 
Members wishing to avail themselves of the privilege of consulting 
the specialists in the list, should write to them direct and enclose a 
stamped addressed envelope for reply. (Addresses as on ))p. 8-17.) 
[Copies may be obtained from the Hon. General Secretary.] 
[Revised 1949.] 
PROGRAMME OF EXCURSIONS FOR 1949 
May 20th to 23rd. TAUNTON (Somerset). 
Leader: Mr E. G. Neal. 
May 28th. BIRMINGHAM DISTRICT. 
Leader : Dr R. C. L. Burges and others. 
June 11th. BREADALBANE (Perthshire). 
Leader: Miss M. S. Campbell. 
June 24th to July 4th. CARLISLE AND DISTRICT. 
I^eaders : Miss C. W. Muirhead and Mr J. Parkin. 
July 15th to 19th. WEST NORFOLK. 
Leaders : Messrs C. E. Hubbard, R. P. Libbey and E. L. Swann. 
August 13th. BROOK (Godaiming, Surrey). 
Leader : Mr G. M. Ash. 
